package com.bz.common;

import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

@RestControllerAdvice
public class ResponseAdvice implements ResponseBodyAdvice<Object> {

    @Override
    public boolean supports(MethodParameter returnType, Class<? extends HttpMessageConverter<?>> converterType) {
        return true;
    }

    @Override
    public Object beforeBodyWrite(Object body,
                                  MethodParameter returnType,
                                  MediaType selectedContentType,
                                  Class<? extends HttpMessageConverter<?>> selectedConverterType,
                                  ServerHttpRequest request,
                                  ServerHttpResponse response) {
        if (body instanceof ResponseDto) {
            return body;
        }

        // // feign调用时
        // if (body instanceof String) {
        // JSONObject jo = JSONObject.parseObject(String.valueOf(body));
        // Integer resCode = jo.getInteger("code");
        // if (null != resCode) {
        // return body;
        // }
        // }
        ResponseDto resp = new ResponseDto<>(body);
        // if (null == body) {
        // return JSON.toJSONString(resp);
        // }
        // if (body instanceof String) {
        // return JSON.toJSONString(resp);
        // }
        return resp;
    }

}
